| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2015 | 11.6M | -893K | -7.14% | 31 Dec 2015 | 20-F | 06 Apr 2017 |
| Q4 2014 | 12.5M | -744K | -5.62% | 31 Dec 2014 | 20-F | 07 Apr 2016 |
| Q4 2013 | 13.2M | +13M | +4955% | 31 Dec 2013 | 20-F | 09 Apr 2015 |
| Q4 2012 | 262K | 31 Dec 2012 | 20-F | 11 Apr 2014 |